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My understanding is that as the light fitting cable is only protected by the fuse/breaker in the CU it should be rated for 6A. I presume there is a BS/EN standard that light fittings need to meet that would detail that kind of thing?
jellybaby-
Yeah that makes sense tbh. And 0.75mm flex will carry 6A anyway.
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We might be at crossed purposes most lamps are plugged into a 13amp socket not a 5amp lighting socket. That's why we are discussing the fuse rating of that 13amp plug.
If you are talking about the 5amp unfused plug that fits the specialised socket then yes it does need to have cable rated for 5amp (or 6 I guess since the cu will very likely have a 6amp breaker).
Nef
Airhead
But it’s not part of the circuit, it’s connecting the light itself to the circuit - if you get what I mean. The same way that your socket circuit could be 32A, but if you plug in a lamp, the lamp will have a 3A fuse, as the cable from plug to lamp will only need to carry the load to the lamp, not the load on the rest of the socket circuit.
Plenty of led light fittings have very thin and dubious quality copper that definitely wouldn’t carry 6A.